they went into jungles of guatemala and malawi and recorded the heartbeats of i think about two dozen kids, maybe more, using this believe it or not, iphone app. it was an incredible moment to hear those heartbeats. looking for the perfect heartbeat and we found one kid who -- we pulled up the song and pulled up his heartbeat and they were going boom, boom, boop, da, da, da, da, and the song starts. ♪ we read about the campaign, listened to the heart beats, started flipping through songs and came to this one piece of song that we had and all of us at the same time are like, this is the song. ♪ the chorus very much is the save the children campaign, feeling better since you've known me. moment you interacted with me or cared enough to do something, i've been feeling better. ♪ it is a call to action. the line saying with you i feel again, and then the music, music alone is a call to action even beyond lyrics. it's so triumphant. ♪ i feel again with you ♪ ♪ i can feel again if you buy the song, you know, every beatmatters.org or itunes the money literal goes to these kids and